Specification for low-voltage switchgear and controlgear. Control circuit devices and switching elements. DC interface for proximity sensors and switching amplifiers (NAMUR)— 18 стр.
Specification for low-voltage switchgear and controlgear. Control circuit devices and switching elements. Method of assessing the performance of low-energy contacts. Special tests— 28 стр.
Electrical accessories ± Circuit breakers for overcurrent protection for household and similar installations. Circuit-breakers for a.c. operation— 150 стр.
Electrical accessories - Circuit breakers for overcurrent protection for household and similar installations - Part 1: Circuit-breakers for a.c. operation (english version)